Mega Code Archive
Vector size before and after elements insertion
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#include <iostream>
#include <vector>
#include <cctype>
using namespace std;
int main()
{
vector<char> v(10); // create a vector of length 10
cout << "Size = " << v.size() << endl;
for(int i=0; i<10; i++)
v[i] = i + 'a';
cout << "Current Contents:\n";
for(int i=0; i<v.size(); i++) cout << v[i] << " ";
cout << "\n\n";
cout << "Expanding vector\n";
for(int i=0; i<10; i++)
v.push_back(i + 10 + 'a');
cout << "Size now = " << v.size() << endl;
cout << "Current contents:\n";
for(int i=0; i<v.size(); i++)
cout << v[i] << " ";
cout << "\n\n";
return 0;
}
Size = 10
Current Contents:
a b c d e f g h i j
Expanding vector
Size now = 20
Current contents:
a b c d e f g h i j k l m n o p q r s t
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